package com.heima.behavior.service.impl;

import com.alibaba.fastjson.JSON;
import com.heima.behavior.service.ApBehaviorEntryService;
import com.heima.behavior.service.ApLikesBehaviorService;
import com.heima.common.constants.article.HotArticleConstants;
import com.heima.common.exception.CustomException;
import com.heima.model.behavior.dtos.LikesBehaviorDTO;
import com.heima.model.behavior.pojos.ApBehaviorEntry;
import com.heima.model.behavior.pojos.ApLikesBehavior;
import com.heima.model.common.dtos.ResponseResult;
import com.heima.model.common.enums.AppHttpCodeEnum;
import com.heima.model.mess.UpdateArticleMess;
import com.heima.model.threadlocal.AppThreadLocalUtils;
import com.heima.model.user.pojos.ApUser;
import lombok.extern.slf4j.Slf4j;
import org.springframework.amqp.rabbit.core.RabbitTemplate;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.mongodb.core.MongoTemplate;
import org.springframework.data.mongodb.core.query.Criteria;
import org.springframework.data.mongodb.core.query.Query;
import org.springframework.stereotype.Service;

import java.util.Date;
@Service
@Slf4j
public class ApLikesBehaviorServiceImpl implements ApLikesBehaviorService {
    @Autowired
    ApBehaviorEntryService apBehaviorEntryService;
    @Autowired
    MongoTemplate mongoTemplate;
    @Autowired
    RabbitTemplate rabbitTemplate;
    @Override
    public ResponseResult like(LikesBehaviorDTO dto) {
        // 1. 校验参数
        if (dto == null) {
            throw new CustomException(AppHttpCodeEnum.PARAM_INVALID);
        }
        ApUser user = AppThreadLocalUtils.getUser();
        // 点赞需要登录
        if (user == null) {
            throw new CustomException(AppHttpCodeEnum.NEED_LOGIN);
        }
        // 校验文章id不能为空     使用注解校验
        //  校验点赞方式 只能是0 或 1   使用注解校验
        // 2. 根据当前登录用户id查询行为实体对象
        Integer userId = user.getId();
        ApBehaviorEntry apBehaviorEntry = apBehaviorEntryService.findByUserIdOrEquipmentId(userId, dto.getEquipmentId());
        if (apBehaviorEntry == null) {
            return ResponseResult.errorResult(AppHttpCodeEnum.DATA_NOT_EXIST, "获取行为实体信息失败");
        }
        // 3. 如果是点赞操作  判断是否已经点过赞
            Query query = Query.query(Criteria.where("entryId").is(apBehaviorEntry.getId())
                    .and("articleId").is(dto.getArticleId()));
            ApLikesBehavior one = mongoTemplate.findOne(query, ApLikesBehavior.class);
            if (dto.getOperation().intValue() == 0) {
            // 4. 没有点过赞则 像mongo点赞集合中 添加点赞数据
            if (one != null) {
                throw new CustomException(AppHttpCodeEnum.DATA_NOT_ALLOW,"已经被点赞");
            }
            ApLikesBehavior apLikesBehavior = new ApLikesBehavior();
            apLikesBehavior.setCreatedTime(new Date());
            apLikesBehavior.setType(dto.getType());
            apLikesBehavior.setArticleId(dto.getArticleId());
            apLikesBehavior.setEntryId(apBehaviorEntry.getId());
            mongoTemplate.insert(apLikesBehavior);

            // =======================新加代码==========================
            UpdateArticleMess mess = new UpdateArticleMess();
            mess.setType(UpdateArticleMess.UpdateArticleType.LIKES);
            mess.setArticleId(dto.getArticleId());
            mess.setAdd(dto.getOperation()==0?1:-1);
            rabbitTemplate.convertAndSend(HotArticleConstants.HOT_ARTICLE_SCORE_BEHAVIOR_QUEUE, JSON.toJSONString(mess));
            log.info("点赞行为 发送消息 ==>{}",JSON.toJSONString(mess));

            return ResponseResult.okResult("添加点赞成功");
        }else {// 5. 如果是取消点赞操作  在mongo点赞集合中 删除对应点赞数据
                mongoTemplate.remove(query, ApLikesBehavior.class);
                UpdateArticleMess mess = new UpdateArticleMess();
                mess.setType(UpdateArticleMess.UpdateArticleType.LIKES);
                mess.setArticleId(dto.getArticleId());
                mess.setAdd(dto.getOperation()==0?1:-1);
                rabbitTemplate.convertAndSend(HotArticleConstants.HOT_ARTICLE_SCORE_BEHAVIOR_QUEUE, JSON.toJSONString(mess));
                log.info("点赞行为 发送消息 ==>{}",JSON.toJSONString(mess));
            }return ResponseResult.okResult("取消点赞成功");


    }
}
